Home / 14,453.43-21,681.88-5,091.51

Finding the Fourth Proportional to 14,453.43, 21,681.88 and 5,091.51

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Solution

The fourth proportional to 14,453.43, 21,681.88 and 5,091.51 is: 7,637.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,453.43 : 21,681.88 = 5,091.51 : x
  2. Step 2: Convert to fraction form
    14,453.43/21,681.88 = 5,091.51/x
  3. Step 3: Cross multiply
    14,453.43x = 21,681.88 × 5,091.51
  4. Step 4: Simplify right side
    14,453.43x = 110,393,624.88
  5. Step 5: Solve for x
    x = 110,393,624.88/14,453.43
  6. Step 6: Final answer
    x = 7,637.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.